Home / 20,237.23-27,925.33-11,283.90

Finding the Fourth Proportional to 20,237.23, 27,925.33 and 11,283.90

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Solution

The fourth proportional to 20,237.23, 27,925.33 and 11,283.90 is: 15,570.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.23 : 27,925.33 = 11,283.90 : x
  2. Step 2: Convert to fraction form
    20,237.23/27,925.33 = 11,283.90/x
  3. Step 3: Cross multiply
    20,237.23x = 27,925.33 × 11,283.90
  4. Step 4: Simplify right side
    20,237.23x = 315,106,631.19
  5. Step 5: Solve for x
    x = 315,106,631.19/20,237.23
  6. Step 6: Final answer
    x = 15,570.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.